        <li class="login">Đăng Nhập</li>
        <li><a href="<?php echo base_url(); ?>user/register">Đăng Ký</a></li>
<div id="signin-box" style="display: none;">
<?php 
$attributes = array('class' => 'logintop', 'id' => 'loginform');
echo form_open('user/login',$attributes); ?>
<dl class="sign_in box">
                <dt><label for="user_email">Email:</label></dt>
				<dd><input type="text" name="user_email" id="user_email" value="" /></dd>
				<dt><label for="user_password">Password:</label></dt>
				<dd><input type="password" name="user_password" id="user_password" value="" /></dd>
                <dd>
                    <span><input type="submit" name="submit" value="Hoàn tất" id="submit" /></span>
                </dd>
</dl>
<?php echo form_close();?>
</div>
<style>
.logindiv{
    padding: 0px 5px!important;
}
</style>
<script type="text/javascript">
$('.login').click(function(){
    $('#signin-box').slideToggle('slow');
})
</script>